1. Solar Ultraviolet Radiation and the Growth and Development of Higher Plants;Caldwell,1971
2. Ultraviolet Radiation;Koller,1952
3. Radiometer to Monitor Low Levels of Ultraviolet Irradiance;Goldberg;Applied Optics,1974
4. B. Goldberg and W. H. Klein, Simplified Model for Determining the Spectral Quality of Daylight and Availability of Solar Energy at any Location, Paper #1114, this Proceedings, 1978.
5. Approximate Values of Intensity of Natural Ultraviolet Radiation for Different Amounts of Atmospheric Ozone;Bener,1972